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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.




H.H. Scott '59





Luxman PD-191A turntable

LUXMAN introduces the PD-191A, a premium turntable system designed to replace the long running PD-171 series.

Savor the endlessly rich warmth of a piece of music and that special sense of time flowing differently when you play a cherished analog recording. PD-191A is a superb player capable of delivering the excellence of vinyl recordings playback experiences. Our newly developed, original tonearm, with extremely high initial sensitivity, uses a knife-edge vertical bearing system to realize those sensitive movements that make up the finest nuances of a musical moment. Combining a silent and refined DC motor belt-drive system supported by a robust power supply; PD-191A offers a truly high-fidelity and emotional vinyl listening experience.

 

Newly developed, completely original tonearm - the PD-191A is our LTA-710 static balanced tonearm which employs knife-edge bearing technology for excellent initial movement sensitivity.

 


Brushless DC motor and high-capacity power supply - The drive motor is one fundamental component of a belt-drive analog player where powerful and stable platter rotation is of paramount importance. The PD-191A features an original, high-precision, high-torque, brushless DC motor supported by a float-mounted, highly stable and fully regulated large-capacity power transformer that has been upgraded to higher specifications for today’s favored high-mass platters.

 


A heavyweight, high-mass platter with a huge moment of inertia - The platter chosen for the PD-191A is a 35mm-thick, 5.2kg heavyweight disk, machined from a single, extremely thick aluminum billet, precisely diamond cut and finished to exact surfaces which beautifully reflect light.

 

Elegant, timeless LUXMAN industrial design, featuring a wood front-panel and low center-of-gravity chassis - Our selection and finishing of the external and structural materials that make up the finished product are highly important to us as we feel that the listener’s operation of an analog player should be a tactile and visually satisfying experience.

Multiple integrated vibration damping structures

Three selectable rotation speeds with pitch control and stroboscope indicator

 


Specifications:

Drive System:  Belt drive system

Motor:  Brushless DC motor with PID control

Material:  Machined aluminum, Surface finish: Diamond cut

Revolution:  33 ⅓ rpm, 45 rpm, 78 rpm (3 speeds selectable)

Revolution Adjustment Range:  ±6% (each rotation speed adjustable independently)

Wow and Flutter:  0.04% or less (W.R.M.S.)

Platter Weight:  5.2 kg

Tonearm Section        

Type:  Static balanced, S shaped, universal type

Bearing:  Concealed vertical knife edge

Effective Length        :  256 mm

Overhang:  16 mm

Tracking Error Angle:  +1.07° to -1.52°

Applicable Cartridge Weight:  4 to 11 g (including headshell 17 to 24 g)

Adjustable Height Range:  22 mm

Anti-skating:  0 to 4 g

Power Source:  230 V50 Hz / 115 V60 Hz

Power Consumption:  5 W

Dimensions (W x H x D):  491 × 128 (to the upper surface of the platter) × 399 mm

Net Weight:  24.8 kg (main unit), 26.4 kg (with dust cover)


 

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